A manufacturing company in Port Harcourt uses a distribution channel where goods move from the manufacturer to a wholesaler, then to a retailer, and finally to the end consumer. This channel structure is correctly described as a:

A two-level channel contains two intermediaries between the manufacturer and the consumer — in this case, a wholesaler and a retailer. A zero-level channel involves direct sales with no intermediaries; a one-level channel has only one intermediary (e.g., retailer only); a three-level channel would add a fourth party such as an agent or jobber.